8421408

素因数分解:

$2^5\times 3^6\times {\mathrm{19}}^2$

素因数の和:66

約数の個数: 126

約数和(自身を含む): 26235279

約数和(自身を除く): 17813871

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 216, 228, 243, 288, 304, 324, 342, 361, 432, 456, 486, 513, 608, 648, 684, 722, 729, 864, 912, 972, 1026, 1083, 1296, 1368, 1444, 1458, 1539, 1824, 1944, 2052, 2166, 2592, 2736, 2888, 2916, 3078, 3249, 3888, 4104, 4332, 4617, 5472, 5776, 5832, 6156, 6498, 7776, 8208, 8664, 9234, 9747, 11552, 11664, 12312, 12996, 13851, 16416, 17328, 18468, 19494, 23328, 24624, 25992, 27702, 29241, 34656, 36936, 38988, 49248, 51984, 55404, 58482, 73872, 77976, 87723, 103968, 110808, 116964, 147744, 155952, 175446, 221616, 233928, 263169, 311904, 350892, 443232, 467856, 526338, 701784, 935712, 1052676, 1403568, 2105352, 2807136, 4210704, 8421408]

約数ペア:

[(1, 8421408), (2, 4210704), (3, 2807136), (4, 2105352), (6, 1403568), (8, 1052676), (9, 935712), (12, 701784), (16, 526338), (18, 467856), (19, 443232), (24, 350892), (27, 311904), (32, 263169), (36, 233928), (38, 221616), (48, 175446), (54, 155952), (57, 147744), (72, 116964), (76, 110808), (81, 103968), (96, 87723), (108, 77976), (114, 73872), (144, 58482), (152, 55404), (162, 51984), (171, 49248), (216, 38988), (228, 36936), (243, 34656), (288, 29241), (304, 27702), (324, 25992), (342, 24624), (361, 23328), (432, 19494), (456, 18468), (486, 17328), (513, 16416), (608, 13851), (648, 12996), (684, 12312), (722, 11664), (729, 11552), (864, 9747), (912, 9234), (972, 8664), (1026, 8208), (1083, 7776), (1296, 6498), (1368, 6156), (1444, 5832), (1458, 5776), (1539, 5472), (1824, 4617), (1944, 4332), (2052, 4104), (2166, 3888), (2592, 3249), (2736, 3078), (2888, 2916)]